The US company must be willing to pay a prevailing wage to the foreign worker and must obtain a prevailing wage determination as part of the PERM process.
If your current job and the PERM job are substantially comparable, then the employer cannot require more experience than you had at the time of initial hiring.
If you are a Canadian national, you can apply for the initial L-1 status at the border, to renew you must file an extension of status petition with USCIS.
USCIS has released information on the FY 2022 H-1B lottery that ran in April 2021. The H-1B visa is a non-immigrant visa that permits a company to hire workers in…